Results 41 to 50 of about 551,623 (249)

Coltrane líder evolutivo desde 1959 a 1964 [PDF]

open access: yes, 2013
The following document is an example of Coltrane’s evolution in a five year time span (1959-1964), which left enormous and varied musical contributions.
Jiménez Aguilar, Santiago
core  

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

open access: yesAdvanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner   +9 more
wiley   +1 more source

Una mirada desde la evaluación externa de las escuelas sobre el liderazgo escolar en Portugal

open access: yesAvances en Supervisión Educativa
El principal objetivo de este artículo es dar a conocer los resultados de un estudio sobre las escuelas cuyo liderazgo fue considerado excelente en el contexto de la evaluación externa de las escuelas.
Helder Guerreiro   +2 more
doaj   +1 more source

Representaciones coloniales de género en el currículo de Ciencias Sociales

open access: yesGrafía, 2022
Esta investigación realizada durante los años 2021 y 2022 en el marco de la Maestría en Educación, de la Universidad Externado de Colombia, tiene como propósito explicar desde un enfoque decolonial las relaciones de género representadas en el currículo ...
Gloria Stella Mora Mancipe
doaj   +1 more source

Biodegradable and Recyclable Luminescent Mixed‐Matrix‐Membranes, Hydrogels, and Cryogels based on Nanoscale Metal‐Organic Frameworks and Biopolymers

open access: yesAdvanced Functional Materials, EarlyView.
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner   +4 more
wiley   +1 more source

Growth of Millimeter‐Sized BaTaO2N Single Crystals by an NH3‐Assisted BaCl2 Flux Method

open access: yesAdvanced Functional Materials, EarlyView.
Millimeter‐sized BaTaO2N single crystals are successfully grown from a BaCl2 flux under NH3 flow. Their comprehensive characterization, including dielectric properties, is demonstrated, and the possible growth mechanisms are discussed. Abstract Perovskite‐type oxynitrides have attracted considerable attention due to their excellent photocatalytic ...
Ginji Harada   +2 more
wiley   +1 more source

Liderazgo y estrés en organizaciones complejas [PDF]

open access: yes, 2014
¿La "presión laboral" del líder sobre su equipo influye en el rendimiento? ¿Líderes amados o temidos? ¿Estrés y satisfacción laboral? Las evaluaciones de los subordinados sobre las acciones de sus jefes se correlacionan con: la satisfacción laboral y el ...
Di Grillo, Marcelo
core   +1 more source

Le succès d’édition des oeuvres de Benito Pérez Galdós: essai de bibliométrie (I) [PDF]

open access: yes, 1985
Este estudo explora, através da comparação entre um líder feminino e um masculino, o efeito das práticas de liderança feminina na implicação organizacional, tendo em conta a crescente presença das mulheres, tidas como inclusivas, em lugares de chefia das
Gomes, Jorge Filipe da Silva   +1 more
core   +3 more sources

A Smart Magnetically Actuated Flip‐Disc Programmable Metasurface with Ultralow Power Consumption for Real‐Time Channel Control

open access: yesAdvanced Functional Materials, EarlyView.
The study proposes a 1‐bit programmable metasurface based on flip‐disc display, named flip‐disc metasurface (FD‐MTS). This new design enables ultralow energy consumption while maintaining coding patterns. It also exhibits high scalability and multifunctional flexibility.
Jiang Han Bao   +8 more
wiley   +1 more source

Características de um líder político. As preferências dos eleitores portugueses [PDF]

open access: yes, 2005
O objectivo deste trabalho é identificar quais as características de um líder político mais valorizadas pelos eleitores portugueses e analisar a influência do Marketing Político nessa escolha. Considerando uma amostra de 850 indivíduos conclui-se que o
Brochado, Ana Margarida   +3 more
core  

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